51733182216720 has 80 divisors (see below), whose sum is σ = 160464038929920. Its totient is φ = 13787672328192.

The previous prime is 51733182216707. The next prime is 51733182216731. The reversal of 51733182216720 is 2761228133715.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 51733182216720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60849849 + ... + 61694168.

It is an arithmetic number, because the mean of its divisors is an integer number (2005800486624).

Almost surely, 2^{51733182216720} is an apocalyptic number.

It is an amenable number.

51733182216720 is an abundant number, since it is smaller than the sum of its proper divisors (108730856713200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51733182216720 is a wasteful number, since it uses less digits than its factorization.

51733182216720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122545792 (or 122545786 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 51733182216720 in words is "fifty-one trillion, seven hundred thirty-three billion, one hundred eighty-two million, two hundred sixteen thousand, seven hundred twenty".